Due to recent bot attacks we have changed the sign-up process. If you want to participate in our forum please send a message via our contact form. › Forums › OpenLB › General Topics › How to fix the Error after inputting make for example › Re: How to fix the Error after inputting make for example December 30, 2013 at 8:45 pm #2132 PEIMember Thanks so much, mathias:) I followed your b/ advice and it has worked!